<template>
  <div class="building-container">
    <!-- 搜索区域 -->

    <div class="search-container">
      <div class="search-label">企业名称：</div>
      <!--
    <el-input>输入框
      clearable	是否可清空
      clear	在点击由 clearable 属性生成的清空按钮时触发
 -->
      <el-input
        v-model="params.name"
        clearable
        placeholder="请输入内容"
        class="search-main"
        @clear="doSearch"
      />
      <el-button type="primary" @click="doSearch">查询</el-button>
    </div>

    <div class="create-container">
      <el-button
        type="primary"
        @click="$router.push('/exterpriseAdd')"
        v-auth-btn="'park:building:add_edit'"
        >添加企业</el-button
      >
    </div>

    <!-- 表格区域 
    expand-change	当用户对某一行展开或者关闭的时候会触发该事件（展开行时，回调的第二个参数为 expandedRows；树形表格时第二参数为 expanded） 
    -->
    <div class="table">
      <el-table
        style="width: 100%"
        :data="exterpriseList"
        :header-cell-style="{ background: '#F5F7FA' }"
        :row-key="(row) => row.id"
        :expand-row-keys="expandedRowIds"
        @expand-change="expandHandle"
      >
        <el-table-column type="expand">
          <template #default="{ row }">
            <el-table
              :data="row.rentList"
              :header-cell-style="{ background: '#F5F7FA' }"
              class="box"
            >
              <el-table-column
                label="租赁楼宇"
                width="320"
                prop="buildingName"
              />
              <el-table-column label="租赁起始时间" prop="startTime" />
              <el-table-column label="合同状态">
                <template #default="scope">
                  <el-tag :type="formatInfoType(scope.row.status)">
                    {{ formatStatus(scope.row.status) }}
                  </el-tag>
                </template>
              </el-table-column>
              <el-table-column label="操作" width="180">
                <template #default="scope">
                  <el-button size="mini" type="text">续租</el-button>

                  <el-button
                    size="mini"
                    type="text"
                    :disabled="scope.row.status === 3"
                    @click="outRent(scope.row.id)"
                    >退租</el-button
                  >

                  <el-button
                    size="mini"
                    type="text"
                    :disabled="scope.row.status !== 3"
                    >删除</el-button
                  >
                </template>
              </el-table-column>
            </el-table>
          </template>
        </el-table-column>

        <el-table-column type="index" label="序号" />
        <el-table-column label="企业名称" width="320" prop="name" />
        <el-table-column label="联系人" prop="contact" />
        <el-table-column label="联系电话" prop="contactNumber" />
        <el-table-column label="操作">
          <template #default="scope">
            <el-button
              size="mini"
              type="text"
              v-auth-btn="'park:rent:add_surrender'"
              @click="addRent(scope.row.id)"
              >添加合同</el-button
            >

            <el-button
              size="mini"
              type="text"
              v-auth-btn="'park:enterprise:query'"
              @click="
                $router.push({
                  path: '/exterpriseDetail',
                  query: {
                    id: scope.row.id,
                  },
                })
              "
              >查看</el-button
            >

            <el-button
              size="mini"
              type="text"
              @click="editRent(scope.row.id)"
              v-auth-btn="'park:enterprise:add_edit'"
              >编辑</el-button
            >

            <el-button
              size="mini"
              type="text"
              v-auth-btn="'park:enterprise:remove'"
              @click="delExterprise(scope.row.id)"
              >删除</el-button
            >
          </template>
        </el-table-column>
      </el-table>
    </div>
    <!-- 
  <el-pagination>分页的用法
    属性
      layout	组件布局，子组件名用逗号分隔
      total	总条目数
      page-size	每页显示条目个数，支持 .sync 修饰符
      background	是否为分页按钮添加背景色
    方法  
      current-change	currentPage 改变时会触发
-->
    <div class="page-container">
      <el-pagination
        layout="total, prev, pager, next"
        :total="total"
        :page-size="params.pageSize"
        background
        @current-change="pageChange"
      />
    </div>
    <!-- 添加合同 -->
    <el-dialog
      title="添加合同"
      :visible="rentDialogVisible"
      width="580px"
      @close="closeDialog"
    >
      <!-- 表单区域 -->
      <!-- 表单模版 -->
      <div class="form-container">
        <el-form
          ref="addForm"
          :model="rentForm"
          :rules="rentRules"
          label-position="top"
        >
          <el-form-item label="租赁楼宇" prop="buildingId">
            <el-select v-model="rentForm.buildingId" placeholder="请选择">
              <el-option
                v-for="item in buildList"
                :key="item.id"
                :label="item.name"
                :value="item.id"
              />
            </el-select>
          </el-form-item>

          <el-form-item label="租赁起止日期" prop="rentTime">
            <el-date-picker
              v-model="rentForm.rentTime"
              type="daterange"
              range-separator="至"
              start-placeholder="开始日期"
              end-placeholder="结束日期"
              value-format="yyyy-MM-dd"
            />
          </el-form-item>

          <el-form-item label="租赁合同" prop="contractId">
            <el-upload
              action="#"
              :http-request="uploadHandle"
              :before-upload="beforeUpload"
            >
              <el-button size="small" type="primary" plain
                >上传合同文件</el-button
              >

              <div slot="tip" class="el-upload__tip">
                支持扩展名：.doc .docx .pdf, 文件大小不超过5M
              </div>
            </el-upload>
          </el-form-item>
        </el-form>
      </div>

      <template #footer>
        <el-button size="mini" @click="closeDialog">取 消</el-button>

        <el-button size="mini" type="primary" @click="confirmAdd"
          >确 定</el-button
        >
      </template>
    </el-dialog>
  </div>
</template>
<script>
import {
  getEnterpriseListAPI,
  getRentBuildListAPI,
  uploadAPI,
  createRentAPI,
  getRentListAPI,
  outRentAPI,
} from "@/api/Park";
export default {
  name: "Building",
  data() {
    return {
      buildList: [],
      //合同数据
      rentForm: {
        buildingId: null, // 楼宇id
        contractId: null, // 合同id
        contractUrl: "", // 合同Url
        enterpriseId: null, // 企业名称
        type: 0, // 合同类型
        rentTime: [], // 合同时间
      },
      rentRules: {
        buildingId: [
          { required: true, message: "请选择楼宇", trigger: "change" },
        ],
        rentTime: [
          { required: true, message: "请选择租赁日期", trigger: "change" },
        ],
        contractId: [{ required: true, message: "请上传合同文件" }],
      },
      // 打开弹窗
      rentDialogVisible: false,
      exterpriseList: [],
      // 数据总条数
      total: 0,
      params: {
        page: 1,
        pageSize: 5,
        name: "", // 增加字段name
      },
      expandedRowIds: [], // 存储展开行的 id
    };
  },
  mounted() {
    this.getExterpriseList();
  },
  methods: {
    outRent(rentId) {
      this.$confirm("确认退租吗?", "提示", {
        confirmButtonText: "确定",
        cancelButtonText: "取消",
        type: "warning",
      })
        .then(async () => {
          // 1. 调用接口
          await outRentAPI(rentId);

          // 2. 重新拉取列表 - 这里修改方法名
          this.getExterpriseList(); // 改为正确的方法名

          this.$message({
            type: "success",
            message: "退租成功!",
          });
        })
        .catch(() => {
          this.$message({
            type: "info",
            message: "已取消退租",
          });
        });
    },
    // 格式化tag类型
    formatInfoType(status) {
      const MAP = {
        0: "warning",
        1: "success",
        2: "info",
        3: "danger",
      };
      // return 格式化之后的中文显示
      return MAP[status];
    },

    // 格式化status
    formatStatus(type) {
      const TYPEMAP = {
        0: "待生效",
        1: "生效中",
        2: "已到期",
        3: "已退租",
      };
      return TYPEMAP[type];
    },
    // // 2. 初始化时增加合同数据默认列表
    async getExterpriseList() {
      const res = await getEnterpriseListAPI(this.params);
      this.exterpriseList = res.data.rows.map((item) => {
        return {
          ...item,
          rentList: [], // 每一行补充存放合同的列表
        };
      });
      this.total = res.data.total;

      // 恢复展开状态
      if (this.expandedRowIds.length > 0) {
        // 等待DOM更新
        this.$nextTick(async () => {
          // 重新获取之前展开的行的数据
          for (const id of this.expandedRowIds) {
            const row = this.exterpriseList.find((item) => item.id === id);
            if (row) {
              const res = await getRentListAPI(row.id);
              row.rentList = res.data;
            }
          }
        });
      }
    },

    // 3. 只有展开时获取数据并绑定
    async expandHandle(row, rows) {
      // 更新展开的行id数组
      this.expandedRowIds = rows.map((item) => item.id);

      // 如果是展开操作，获取数据
      if (this.expandedRowIds.includes(row.id)) {
        const res = await getRentListAPI(row.id);
        row.rentList = res.data;
      }
    },
    // 添加合同
    confirmAdd() {
      this.$refs.addForm.validate(async (valid) => {
        if (valid) {
          const { buildingId, contractId, contractUrl, enterpriseId, type } =
            this.rentForm;
          await createRentAPI({
            buildingId,
            contractId,
            contractUrl,
            enterpriseId,
            type,
            startTime: this.rentForm.rentTime[0],
            endTime: this.rentForm.rentTime[1],
          });
          // 更新列表
          this.getExterpriseList();
          // 关闭弹框
          this.rentDialogVisible = false;
          console.log("添加合同成功");
        }
      });
    },
    // 文件上传前进行验证
    beforeUpload(file) {
      const allowImgType = ["image/jpeg", "image/png", "image/jpg"].includes(
        file.type
      );
      const isLt5M = file.size / 1024 / 1024 < 5;

      if (!allowImgType) {
        this.$message.error("上传合同图片只能是 PNG/JPG/JPEG 格式!");
      }
      if (!isLt5M) {
        this.$message.error("上传合同图片大小不能超过 5MB!");
      }
      return allowImgType && isLt5M;
    },
    // 上传合同
    async uploadHandle(fileData) {
      // 1. 处理FormData
      const { file } = fileData;
      const formData = new FormData();
      formData.append("file", file);
      formData.append("type", "contract");
      // 2. 上传并赋值
      const res = await uploadAPI(formData);
      const { id, url } = res.data;
      this.rentForm.contractId = id;
      this.rentForm.contractUrl = url;
      // 单独校验表单
      this.$refs.addForm.validate("contractId");
    },
    // 打开
    async addRent(id) {
      this.rentDialogVisible = true;
      // 把企业id存入表单对象
      this.rentForm.enterpriseId = id;
      // console.log(this.rentForm.enterpriseId);

      // 获取楼宇下拉列表
      const res = await getRentBuildListAPI();
      this.buildList = res.data;
    },
    // 关闭
    closeDialog() {
      this.rentDialogVisible = false;
    },
    delExterprise(id) {
      this.$confirm("确认删除该企业吗?", "提示", {
        confirmButtonText: "确定",
        cancelButtonText: "取消",
        type: "warning",
      }).then(async () => {
        await delExterpriseAPI(id);
        this.getExterpriseList();
        this.$message({
          type: "success",
          message: "删除成功!",
        });
      });
    },
    editRent(id) {
      this.$router.push({
        path: "/exterpriseAdd",
        query: {
          id,
        },
      });
    },
    // 搜索
    doSearch() {
      this.params.page = 1;
      this.getExterpriseList();
    },
    pageChange(page) {
      // 更改参数
      this.params.page = page;
      // 重新获取数据渲染
      this.getExterpriseList();
    },
    // async getExterpriseList() {
    //   const res = await getEnterpriseListAPI(this.params);
    //   this.exterpriseList = res.data.rows;
    //   this.total = res.data.total;
    // },
  },
};
</script>

<style lang="scss" scoped>
::v-deep .box {
  width: 90%;
  margin: 0 auto;
}
::v-deep .el-range-separator {
  padding-left: 0px;
}
.department-container {
  padding: 10px;
}

.search-container {
  display: flex;
  align-items: center;
  border-bottom: 1px solid rgb(237, 237, 237, 0.9);
  padding-bottom: 20px;

  .search-label {
    width: 100px;
  }

  .search-main {
    width: 220px;
    margin-right: 10px;
  }
}
.create-container {
  margin: 10px 0px;
}
.page-container {
  padding: 4px 0px;
  text-align: right;
}
.form-container {
  padding: 0px 80px;
}
</style>
